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8051 Core Embedded Processors & Controllers

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Types of Embedded Processors & Controllers

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Results: 781

Applied Filters:

Core = 8051

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Part #

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU

C8051F583-IQ
Silicon Labs
1: $13.74
558In Stock
End of Life

Mfr. Part No.
C8051F583-IQ

Mouser Part No
634-C8051F583-IQ

End of Life

Silicon Labs

8-bit Microcontrollers - MCU 8051 50 MHz 128 kB 5 V 8-bit MCU

Learn More

Datasheet

558In Stock

$13.74

$11.39

$10.64

$9.73

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFP-32

8051

8 bit

50 MHz

128 kB

8.25 kB

12 bit

25 I/O

- 40 C

+ 125 C

AEC-Q100

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

C8051F005-GQ
Silicon Labs
1: $28.71
17In Stock
800Expected 20/04/2026
NRND

Mfr. Part No.
C8051F005-GQ

Mouser Part No
634-C8051F005-GQ

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 32 kB 8-bit MCU

Datasheet

17In Stock

800Expected 20/04/2026

$28.71

$23.96

$22.53

$20.39

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TQFP-64

8051

8 bit

25 MHz

32 kB

2.25 kB

12 bit

32 I/O

- 40 C

+ 85 C

Tray

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU

C8051F334-GM
Silicon Labs
1: $8.30
47In Stock
NRND

Mfr. Part No.
C8051F334-GM

Mouser Part No
634-C8051F334-GM

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8051 25 MHz 2 kB LFO 8-bit MCU

Datasheet

47In Stock

$8.30

$5.80

$5.53

$4.80

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

8051

8 bit

25 MHz

2 kB

768 B

10 bit

17 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

C8051F850-C-IM
Silicon Labs
1: $4.32
93In Stock
NRND

Mfr. Part No.
C8051F850-C-IM

Mouser Part No
634-C8051F850-C-IM

NRND

Silicon Labs

8-bit Microcontrollers - MCU 8kB/512B RAM, ADC, QFN20

Learn More

Datasheet

93In Stock

$4.32

$2.79

$1.97

$1.71

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

8051

8 bit

25 MHz

8 kB

512 B

12 bit

16 I/O

- 40 C

+ 125 C

Tube

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

ML51BB9AE
Nuvoton
1: $0.80
800In Stock

Mfr. Part No.
ML51BB9AE

Mouser Part No
503-ML51BB9AE

Nuvoton

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

Learn More

Datasheet

800In Stock

$0.80

$0.685

$0.579

$0.546

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

MSOP-10

8051

8 bit

24 MHz

16 kB

1 kB

12 bit

7 I/O

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

ML51FB9AE
Nuvoton
1: $0.92
666In Stock

Mfr. Part No.
ML51FB9AE

Mouser Part No
503-ML51FB9AE

Nuvoton

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

Learn More

Datasheet

666In Stock

$0.92

$0.785

$0.667

$0.63

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

24 MHz

16 kB

1 kB

12 bit

16 I/O

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

ML51XB9AE
Nuvoton
1: $0.92
980In Stock

Mfr. Part No.
ML51XB9AE

Mouser Part No
503-ML51XB9AE

Nuvoton

8-bit Microcontrollers - MCU 16KB Flash ROM, 1KB SRAM, 1 CHs of SPI,1T/8051

Learn More

Datasheet

980In Stock

$0.92

$0.785

$0.73

$0.651

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

8051

8 bit

24 MHz

16 kB

1 kB

12 bit

17 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK

ML56LD1AE
Nuvoton
1: $2.14
180In Stock

Mfr. Part No.
ML56LD1AE

Mouser Part No
503-ML56LD1AE

Nuvoton

8-bit Microcontrollers - MCU 64KB Flash, 4KB SRAM, 2 CHs of SPI,1T/8051,LCD,TK

Learn More

Datasheet

180In Stock

$2.14

$1.81

$1.67

$1.50

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-48

8051

8 bit

24 MHz

64 kB

4 kB

12 bit

42 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

MS51BA9AE
Nuvoton
1: $0.65
600In Stock

Mfr. Part No.
MS51BA9AE

Mouser Part No
503-MS51BA9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

Learn More

Datasheet

600In Stock

$0.65

$0.557

$0.472

$0.445

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

MSOP-10

8051

8 bit

24 MHz

8 kB

1 kB

12 bit

8 I/O

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51EC0AE
Nuvoton
1: $0.92
1,000In Stock

Mfr. Part No.
MS51EC0AE

Mouser Part No
503-MS51EC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

1,000In Stock

$0.92

$0.785

$0.689

$0.65

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-28

8051

8 bit

24 MHz

32 kB

2 kB

12 bit

26 I/O

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

MS51FB9AE
Nuvoton
1: $0.70
3,032In Stock

Mfr. Part No.
MS51FB9AE

Mouser Part No
503-MS51FB9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM

Learn More

Datasheet

3,032In Stock

$0.70

$0.598

$0.51

$0.48

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

24 MHz

16 kB

1 kB

12 bit

18 I/O

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51FC0AE
Nuvoton
1: $0.80
814In Stock

Mfr. Part No.
MS51FC0AE

Mouser Part No
503-MS51FC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

814In Stock

$0.80

$0.685

$0.652

$0.55

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

24 MHz

32 kB

2 kB

12 bit

18 I/O

- 40 C

+ 105 C

Tube

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51PC0AE
Nuvoton
1: $1.10
1,353In Stock

Mfr. Part No.
MS51PC0AE

Mouser Part No
503-MS51PC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

1,353In Stock

$1.10

$0.935

$0.868

$0.775

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

LQFP-32

8051

8 bit

24 MHz

32 kB

2 kB

12 bit

30 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

MS51TC0AE
Nuvoton
1: $0.92
975In Stock

Mfr. Part No.
MS51TC0AE

Mouser Part No
503-MS51TC0AE

Nuvoton

8-bit Microcontrollers - MCU 32K Bytes Shared with LDROM

Learn More

Datasheet

975In Stock

$0.92

$0.785

$0.73

$0.651

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-33

8051

8 bit

24 MHz

32 kB

2 kB

12 bit

30 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width

MS51XB9AE
Nuvoton
1: $0.60
899In Stock

Mfr. Part No.
MS51XB9AE

Mouser Part No
503-MS51XB9AE

Nuvoton

8-bit Microcontrollers - MCU 16K Bytes Shared with LDROM 0.4mm Pitch width

Learn More

Datasheet

899In Stock

$0.60

$0.518

$0.483

$0.431

View

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

QFN-20

8051

8 bit

24 MHz

16 kB

1 kB

12 bit

18 I/O

- 40 C

+ 105 C

Tray

8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V

AT89C2051-12PU
Microchip Technology
1: $2.08
671In Stock

Mfr. Part No.
AT89C2051-12PU

Mouser Part No
556-A89C205112PU

Microchip Technology

8-bit Microcontrollers - MCU 20 PINS 2K FLASH 12MHZ 2.7 - 5.5V

Datasheet

671In Stock

$2.08

$1.91

$1.72

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-20

8051

8 bit

12 MHz

2 kB

128 B

No ADC

15 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT

AT89C51CC03CA-SLSUM
Microchip Technology
1: $11.58
97In Stock

Mfr. Part No.
AT89C51CC03CA-SLSUM

Mouser Part No
556-A89C51C03CASLSUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64K FLASH CAN BOOT

Learn More

Datasheet

97In Stock

$11.58

$10.64

$9.62

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

10 bit

36 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT

AT89C51CC03UA-SLSUM
Microchip Technology
1: $11.58
134In Stock

Mfr. Part No.
AT89C51CC03UA-SLSUM

Mouser Part No
556-A89C51C03UASLSUM

Microchip Technology

8-bit Microcontrollers - MCU CAN C51 64K FLASH UAR BOOT

Learn More

Datasheet

134In Stock

$11.58

$10.64

$9.62

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

10 bit

36 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

AT89C51RB2-3CSUM
Microchip Technology
1: $7.50
77In Stock
140Expected 03/03/2026

Mfr. Part No.
AT89C51RB2-3CSUM

Mouser Part No
556-A89C51RB2-3CSUM

Microchip Technology

8-bit Microcontrollers - MCU C51RB2 FLASH 5V 16k ind

Learn More

Datasheet

77In Stock

140Expected 03/03/2026

$7.50

$6.88

$6.23

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-40

8051

8 bit

60 MHz

16 kB

1.25 kB

No ADC

32 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V

AT89C51RD2-SLRUM
Microchip Technology
1: $9.22
136In Stock

Mfr. Part No.
AT89C51RD2-SLRUM

Mouser Part No
556-A89C51RD2SLRUM

Microchip Technology

8-bit Microcontrollers - MCU C51RD2 64K FLASH 3-5.5V

Learn More

Datasheet

136In Stock

Cut Tape

$9.22

$8.46

$7.66

Reel

$7.66

Min.: 1
Mult.: 1

Reel: 500

8-bit Microcontrollers - MCU

SMD/SMT

PLCC-44

8051

8 bit

60 MHz

64 kB

2 kB

34 I/O

- 40 C

+ 85 C

Reel, Cut Tape

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH 20MHZ 2.4-5.5V

AT89LP2052-20PU
Microchip Technology
1: $2.70
265In Stock

Mfr. Part No.
AT89LP2052-20PU

Mouser Part No
556-A89LP2052-20PU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYCLE 2K FLASH 20MHZ 2.4-5.5V

Datasheet

265In Stock

$2.70

$2.46

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

Through Hole

PDIP-20

8051

8 bit

20 MHz

2 kB

256 B

No ADC

15 I/O

- 40 C

+ 85 C

Tube

8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V

AT89LP4052-20XU
Microchip Technology
1: $2.80
73In Stock

Mfr. Part No.
AT89LP4052-20XU

Mouser Part No
556-A89LP4052-20XU

Microchip Technology

8-bit Microcontrollers - MCU SINGLE CYC 4K FLASH -20MHZ 2.4-5.5V

Datasheet

73In Stock

$2.80

$2.56

$2.52

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU

SMD/SMT

TSSOP-20

8051

8 bit

20 MHz

4 kB

256 B

No ADC

15 I/O

- 40 C

+ 85 C

Tube

RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR

CC2510F32RHHT
Texas Instruments
1: $7.58
250In Stock

Mfr. Part No.
CC2510F32RHHT

Mouser Part No
595-CC2510F32RHHT

Texas Instruments

RF System on a Chip - SoC 2.4GHz Radio Trnscvr 8051 MCU A 595-CC25 A 595-CC2510F32RHHR

Datasheet

250In Stock

Cut Tape

$7.58

$6.57

$6.22

$5.74

Reel

$5.17

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

RF System on a Chip - SoC

SMD/SMT

VQFN-36

8051

8 bit

- 40 C

+ 85 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC IC RF ZigBee 802.15. 4 SoC w/USB A 595-C A 595-CC2531F256RHAR

CC2531F256RHAT
Texas Instruments
1: $12.12
140In Stock

Mfr. Part No.
CC2531F256RHAT

Mouser Part No
595-CC2531F256RHAT

Texas Instruments

RF System on a Chip - SoC IC RF ZigBee 802.15. 4 SoC w/USB A 595-C A 595-CC2531F256RHAR

Learn More

Datasheet

140In Stock

Cut Tape

$12.12

$10.54

$9.99

$9.16

Reel

$8.70

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

RF System on a Chip - SoC

SMD/SMT

VQFN-40

8051

256 kB

8 kB

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

RF System on a Chip - SoC System-on-Chip Sol A 595-CC2533F64RHAR A A 595-CC2533F64RHAR

CC2533F64RHAT
Texas Instruments
1: $10.07
250In Stock

Mfr. Part No.
CC2533F64RHAT

Mouser Part No
595-CC2533F64RHAT

Texas Instruments

RF System on a Chip - SoC System-on-Chip Sol A 595-CC2533F64RHAR A A 595-CC2533F64RHAR

Learn More

Datasheet

250In Stock

Cut Tape

$10.07

$8.71

$8.25

$7.61

Reel

$7.22

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 250

RF System on a Chip - SoC

SMD/SMT

VQFN-40

8051

16 bit

12 MHz

64 kB

4 kB

23 I/O

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

8051 Core Embedded Processors & Controllers

Types of Embedded Processors & Controllers

Customer Service Office

Company

Resources

Support

BGA-82
LGA-42
LQFP-32
LQFP-44
LQFP-48
LQFP-64
MQFP-80
MSOP-10
PDIP-20
PDIP-40
PLCC-28
PLCC-44
PLCC-68
PQFP-44
PQFP-48
QFN-11
QFN-20
QFN-24
QFN-28
QFN-32

128 B
256 B
512 B
768 B
1 kB
1.2 kB
1.25 kB
1.28 kB
1.54 kB
1.75 kB
2 KB
2 kB
2.25 kB
2.3 kB
2.31 kB
3.25 kB
4 kB
4.25 kB
4.35 kB
4352 B

4 I/O
5 I/O
6 I/O
7 I/O
8 I/O
9 I/O
11 I/O
12 I/O
13 I/O
15 I/O
16 I/O
17 I/O
18 I/O
19 I/O
20 I/O
21 I/O
23 I/O
24 I/O
25 I/O
26 I/O